UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PvRRlZZvUVFXLskvU3GRT5ujXbjVItz5RzJIOb+iEDc=' 
WHERE 
  key_id = '6e03243fda0f0a88379fcd53a26147ab6ab338f2a03730b1165ecd2d2c47a3d9' 
  AND (
    token = 'PvRRlZZvUVFXLskvU3GRT5ujXbjVItz5RzJIOb+iEDc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )